本文整理汇总了PHP中TCPDF_STATIC::getVectorsAngle方法的典型用法代码示例。如果您正苦于以下问题：PHP TCPDF_STATIC::getVectorsAngle方法的具体用法？PHP TCPDF_STATIC::getVectorsAngle怎么用？PHP TCPDF_STATIC::getVectorsAngle使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TCPDF_STATIC的用法示例。
在下文中一共展示了TCPDF_STATIC::getVectorsAngle方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: SVGPath
//.........这里部分代码省略.........
$y0 = $y;
$rx = abs($params[$ck - 6]);
$ry = abs($params[$ck - 5]);
$ang = -$rawparams[$ck - 4];
$angle = deg2rad($ang);
$fa = $rawparams[$ck - 3];
// large-arc-flag
$fs = $rawparams[$ck - 2];
// sweep-flag
$x = $params[$ck - 1] + $xoffset;
$y = $params[$ck] + $yoffset;
if (abs($x0 - $x) < $minlen and abs($y0 - $y) < $minlen) {
// endpoints are almost identical
$xmin = min($xmin, $x);
$ymin = min($ymin, $y);
$xmax = max($xmax, $x);
$ymax = max($ymax, $y);
} else {
$cos_ang = cos($angle);
$sin_ang = sin($angle);
$a = ($x0 - $x) / 2;
$b = ($y0 - $y) / 2;
$xa = $a * $cos_ang - $b * $sin_ang;
$ya = $a * $sin_ang + $b * $cos_ang;
$rx2 = $rx * $rx;
$ry2 = $ry * $ry;
$xa2 = $xa * $xa;
$ya2 = $ya * $ya;
$delta = $xa2 / $rx2 + $ya2 / $ry2;
if ($delta > 1) {
$rx *= sqrt($delta);
$ry *= sqrt($delta);
$rx2 = $rx * $rx;
$ry2 = $ry * $ry;
}
$numerator = $rx2 * $ry2 - $rx2 * $ya2 - $ry2 * $xa2;
if ($numerator < 0) {
$root = 0;
} else {
$root = sqrt($numerator / ($rx2 * $ya2 + $ry2 * $xa2));
}
if ($fa == $fs) {
$root *= -1;
}
$cax = $root * ($rx * $ya / $ry);
$cay = -$root * ($ry * $xa / $rx);
// coordinates of ellipse center
$cx = $cax * $cos_ang - $cay * $sin_ang + ($x0 + $x) / 2;
$cy = $cax * $sin_ang + $cay * $cos_ang + ($y0 + $y) / 2;
// get angles
$angs = TCPDF_STATIC::getVectorsAngle(1, 0, ($xa - $cax) / $rx, ($cay - $ya) / $ry);
$dang = TCPDF_STATIC::getVectorsAngle(($xa - $cax) / $rx, ($ya - $cay) / $ry, (-$xa - $cax) / $rx, (-$ya - $cay) / $ry);
if ($fs == 0 and $dang > 0) {
$dang -= 2 * M_PI;
} elseif ($fs == 1 and $dang < 0) {
$dang += 2 * M_PI;
}
$angf = $angs - $dang;
if ($fs == 0 and $angs > $angf or $fs == 1 and $angs < $angf) {
// reverse angles
$tmp = $angs;
$angs = $angf;
$angf = $tmp;
}
$angs = round(rad2deg($angs), 6);
$angf = round(rad2deg($angf), 6);
// covent angles to positive values
if ($angs < 0 and $angf < 0) {
$angs += 360;
$angf += 360;
}
$pie = false;
if ($key == 0 and isset($paths[$key + 1][1]) and trim($paths[$key + 1][1]) == 'z') {
$pie = true;
}
list($axmin, $aymin, $axmax, $aymax) = $this->_outellipticalarc($cx, $cy, $rx, $ry, $ang, $angs, $angf, $pie, 2, false, $fs == 0, true);
$xmin = min($xmin, $x, $axmin);
$ymin = min($ymin, $y, $aymin);
$xmax = max($xmax, $x, $axmax);
$ymax = max($ymax, $y, $aymax);
}
if ($relcoord) {
$xoffset = $x;
$yoffset = $y;
}
}
}
break;
case 'Z':
$this->_out('h');
break;
}
$firstcmd = false;
}
// end foreach
if (!empty($op)) {
$this->_out($op);
}
return array($xmin, $ymin, $xmax - $xmin, $ymax - $ymin);
}